*,
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ul,
li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: lightgreen;
}

.container{
    margin: 0 auto;
    width: 1200px;
    background-color: pink;
    height: 800px;
}